WO2015130202A1 - Collecte de caractéristiques pour un chemin entre des points d'extrémité ip associés à un réseau de transport d'accès radio - Google Patents

Collecte de caractéristiques pour un chemin entre des points d'extrémité ip associés à un réseau de transport d'accès radio Download PDF

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Publication number
WO2015130202A1
WO2015130202A1 PCT/SE2014/050239 SE2014050239W WO2015130202A1 WO 2015130202 A1 WO2015130202 A1 WO 2015130202A1 SE 2014050239 W SE2014050239 W SE 2014050239W WO 2015130202 A1 WO2015130202 A1 WO 2015130202A1
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WO
WIPO (PCT)
Prior art keywords
base station
radio base
radio
radio access
path
Prior art date
Application number
PCT/SE2014/050239
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English (en)
Inventor
Annikki Welin
Manuel MAQUEDA
Javier MONTOJO
Tomas Thyni
Original Assignee
Telefonaktiebolaget L M Ericsson (Publ)
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Telefonaktiebolaget L M Ericsson (Publ) filed Critical Telefonaktiebolaget L M Ericsson (Publ)
Priority to CN201480075507.1A priority Critical patent/CN106031220B/zh
Priority to EP14713943.0A priority patent/EP3111696B1/fr
Priority to JP2016554357A priority patent/JP6258519B2/ja
Priority to US15/109,185 priority patent/US10194342B2/en
Priority to BR112016016099-1A priority patent/BR112016016099B1/pt
Priority to PCT/SE2014/050239 priority patent/WO2015130202A1/fr
Publication of WO2015130202A1 publication Critical patent/WO2015130202A1/fr
Priority to US16/196,521 priority patent/US10924948B2/en

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/08—Testing, supervising or monitoring using real traffic
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L43/00—Arrangements for monitoring or testing data switching networks
    • H04L43/08—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/02—Traffic management, e.g. flow control or congestion control
    • H04W28/0247—Traffic management, e.g. flow control or congestion control based on conditions of the access network or the infrastructure network
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/02—Traffic management, e.g. flow control or congestion control
    • H04W28/0284—Traffic management, e.g. flow control or congestion control detecting congestion or overload during communication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W80/00—Wireless network protocols or protocol adaptations to wireless operation
    • H04W80/04—Network layer protocols, e.g. mobile IP [Internet Protocol]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/16—Gateway arrangements

Definitions

  • the present disclosure relates to a method, performed in a radio base station in a radio access network, of collecting characteristics for a path between two IP end-points associated with a radio access transport network to which the radio base station is connected.
  • the disclosure also relates to a radio base station of collecting characteristics for a path between two IP end-points associated with a radio access transport network to which the radio base station is connected.
  • 3GPP Long Term Evolution, LTE is the fourth-generation mobile communication technologies standard developed within the 3rd Generation Partnership Project, 3GPP, to improve the Universal Mobile Telecommunication System, UMTS, standard to cope with future requirements in terms of improved services such as higher data rates, improved efficiency, and lowered costs.
  • the Universal Terrestrial Radio Access Network, UTRAN is the, RAN, Radio Access Network of a UMTS and Evolved UTRAN, E-UTRAN, is the RAN of an LTE system.
  • new radio coordination features are planned for LTE.
  • new radio coordination features are CoMP, Coordinated Multipoint, ABS, Up-link and/or down-link Almost Blank Sub-frames, RPS, Reduced Power Sub-frames, elCIC, Enhanced Inter-Cell Interference Coordination.
  • the different radio coordination features can be categorized in three different groups, namely; flexible, tight and very tight coordination features.
  • the different radio coordination features all put different levels of requirements on the radio access transport network to be able to use these radio coordination features. As an example the delay required for different radio coordination functions varies between sub 1 millisecond to 100 milliseconds. Similar requirements are placed for synchronization and for bandwidth in the radio access transport network.
  • the radio access transport network handles data traffic between the radio base stations and between the radio base stations and the core network.
  • the RBS which decides what radio coordination features to use, has no or very little information of radio access transport network characteristics, e.g. if the synchronization method is accurate enough or if the delay and bandwidth between neighboring RBSs is sufficient to be used for a specific radio coordination feature.
  • Active measurements like TWAMP/BART, Two-Way Active Measurement Protocol/ Bandwidth Available in Real Time, does not have access to the real radio access transport network characteristics, instead it tries to estimate the radio access transport network characteristics based on injecting test traffic.
  • I2RS I nternet Engineering Task Force
  • I2RS I nterface to Routing Systems
  • the architecture of I2RS allows an application to query and modify the state of the transport network.
  • the architecture describes requirements, and the draft "Use Cases of I2RS in Mobile Backhaul Network, https://datatracker.ietf.org/wg/i2rs, describes use cases for mobile backhaul and the radio access transport network.
  • the RBS which decides what radio coordination features to use, has no or very little information of the radio access transport network conditions. There is therefore a need for an improved solution for determining radio coordination features, which solution solves or at least mitigates at least one of the above mentioned problems.
  • This interface it is possible, according to an aspect of the present disclosure, to requests information from the radio access transport network and forward the information in suitable format to the radio base station to assist in the decision of radio coordination features, e.g. to determine if the radio access transport network characteristics meet the requirements of the radio coordination features.
  • a concept involves receiving at least one IP address of specific IP end-points associated with a radio access transport network to which a radio base station is connected and sending a query to a node in the radio access transport network for at least one characteristic for a path between two IP end-points.
  • the disclosure presents a method performed in a radio base station in a radio access network, of collecting characteristics for a path between two IP end-points associated with a radio access transport network to which the radio base station is connected.
  • the method comprises the steps of receiving an IP address of at least one IP end-point associated with the radio access transport network to which the radio base station is connected, sending a query to a node in the radio access transport network for at least one characteristic for a path between the two IP end-points, and receiving the at least one characteristics for the path.
  • the disclosed method of collecting characteristics for a path between two IP end-points provides for a method to requests information from the radio access transport network and receive the information in the radio base station to assist in the decision of radio coordination feature e.g. if the radio access transport network characteristics meets the radio coordination feature requirements.
  • the IP end-points are a first radio base station and a second radio base station.
  • Enabling reception of characteristics for a path between a first radio base station and a second radio base station provides the advantage that the radio base station, either represented by the first or the second radio base station, better can determine if and what radio coordination feature to use since the characteristics for the path between the first and the second radio base station is important for the function of many radio coordination features.
  • the radio base station and a PDN-Gateway or a S/PDN-Gateway in the core network to which the radio access network is connected are the IP end-points.
  • Enabling reception of characteristics for a path between the radio base station and a PDN- Gateway or a S/PDN-Gateway in the core network provides the advantage that the radio base station better can determine if and what radio coordination feature to use since the characteristics for the path the radio base station and a PDN-Gateway or a S/PDN-Gateway in the core network is important for the function of many radio coordination features.
  • a second radio base station and a PDN-Gateway or an S/PDN-Gateway in a core network to which the radio access network is connected are IP end-points. Receipt of characteristics for a path a second radio base station and a PDN-Gateway or a S/PDN-Gateway in a core network, provides the advantage that the radio base station better can determine if and what radio coordination feature to use since the characteristics for the path between a second radio base station and a PDN-Gateway or a S/PDN-Gateway in a core network is important for the function of many radio coordination features.
  • the step of query further comprises sending a query to the second radio base station for at least one characteristic for a path between the second radio base station and an IP end-point associated with the radio access transport network collected by the second radio base station.
  • the radio access network is an E- UTRAN, Evolved UMTS Terrestrial Radio Access Network
  • the radio base station is an eNodeB, Evolved Node B, in the E-UTRAN.
  • the characteristics for a path are any of bandwidth, radio access transport network delay, congestion indication, jitter, buffer usage and sync accuracy.
  • the characteristics up to the S/PDN-GW is important to know, especially the available bandwidth from different radio base stations, by this knowledge the radio network can decide which radio base station an active user should be connected to for optimal end-user performance/experience.
  • radio base stations are important to be able to select an optimal radio coordination feature that depends on coordinating traffic between radio base stations.
  • up-link joint reception requires low delay/jitter, high bandwidth and tight time/phase synchronization.
  • ABS/RPSF requires tight time/phase synchronization, but very limited bandwidth and can tolerate large amount of delay/jitter.
  • the step of query further comprises sending a query to at least one further node in the radio access transport network.
  • the method comprising a further step, after the steps of receiving, of receiving at least one update of characteristics for a path between two IP end-points in the radio access transport network.
  • the step of sending a query is performed by an l2RS-client, Interface to the Routing System, in the radio base station.
  • the present disclosure also relates to embodiments of a radio base station for collecting characteristics for a path between two IP end-point associated with a radio access transport network to which the radio base station is connected comprising a processor and a memory.
  • the memory containing instructions executable by the processor whereby the radio base station is operative to receive an IP address of at least one IP end-point associated with the radio access transport network to which the radio base station is connected; sending a query to a node in the radio access transport network for at least one characteristic for a path between two IP end-points; and to receive the at least one characteristics for the path.
  • the present disclosure also relates to embodiments of a node for collecting characteristics for a path between two IP end-points associated with a radio access transport network to which a radio base station is connected comprising a processor and a memory.
  • the memory containing instructions executable by the processor whereby the node is operative to receive a query from a radio base station connected to the radio access transport network (20), for at least one characteristic for a path between two IP end-points associated with the radio access transport network to which the first radio base station is connected, and to determine the at least one characteristics for the path between the two IP end-points. Further also transmit the at least one characteristics for the path to the radio base station.
  • the present disclosure also presents a computer program, comprising computer readable code which, when run in a radio base station causes radio base station to perform the disclosed method.
  • the radio base station, the node and computer program each display advantages corresponding to the advantages already described in relation to the method performed in the radio base station.
  • Figure 1 schematically illustrates a cellular communication network in which exemplary embodiments of the present disclosure can be implemented.
  • Figure 2 is a flow chart illustrating the proposed methods performed in a radio base station.
  • Figure 2a is a flow chart illustrating the proposed methods performed in a node.
  • Figure 3 is a schematic diagram illustrating radio base station according to an exemplary embodiment of the present disclosure.
  • FIG. 4 is a schematic diagram illustrating radio base station according to an exemplary embodiment of the present disclosure.
  • an interface is created between a radio base station and a node associated with a radio access transport network.
  • the interface makes it possible to request information from the radio access transport network and forward the information in suitable format to the radio base station to assist in the decision of radio coordination features e.g. to assess if the network conditions meet the requirements associated with the radio coordination features.
  • a concept involves receiving IP addresses of specific IP end-points associated with a radio access transport network to which a radio base station is connected and to send a query to a node in the radio access transport network for at least one characteristic for a path between two IP end-points.
  • Figure 1 schematically illustrates a cellular communication network 1 in which aspects of the present disclosure can be implemented.
  • the cellular communication network 1 comprises a radio access network 10.
  • the radio access network 10 comprises a radio access transport network 20.
  • the radio access transport network 20 handles data traffic between radio base stations 11, 12 and between radio base stations 11, 12 and a core network 30.
  • An example of a radio access network 10 is UTRAN, Universal Terrestrial Radio Access Network.
  • the UTRAN is the radio access network 10 in UMTS, Universal Mobile Telecommunications System.
  • Another radio access network 10 is E-UTRAN.
  • the E-UTRAN is the radio access network 10 in an LTE system. In the radio access transport network 20 there are nodes 21, 22, 23, 24 and 25.
  • FIG. 2 is a flowchart schematically illustrating embodiments of method steps performed in a in the radio base station 11, 12 in the radio access network 10, of collecting characteristics for a path between two IP end-point 11, 12, 31 associated with the radio access transport network 20 to which the radio base station 11, 12 is connected.
  • SI IP addresses are received for one or more IP end-points 11, 12, 31 associated with the radio access transport network 20 to which the radio base station 11, 12 is connected.
  • the IP end-points are for instance a radio base station 10, 11, a PDN-Gateway 31 or a S-PDN-Gateway 31 in the core network 30.
  • a node 21, 22, 23, 24, 25 in the radio access transport network 20 is queried for at least one characteristic for a path between two IP end-points 11, 12, 31.
  • the node 21, 22 that the radio base station 11, 12 is connected to is queried.
  • the present disclosure is however not limited to only send a query to the node 21, 22 that the radio base station 11, 12 is connected to.
  • a query is sent to another node 23, 24, 25 in the radio access transport network 20 requesting at least one characteristic for a path between two IP end-points 11, 12, 31.
  • the at least one characteristic for the path between the two IP end-points 11, 12, 31 relates, in one aspect of the present disclosure, to characteristics for the entire path between the two IP end-points 11, 12, 31. In other exemplary embodiments of the present disclosure, the at least one characteristic for the path between the two IP end-points 11, 12, 31, relates to characteristics for one link or for several links (not shown) in the path between the two IP end- points 11, 12, 31.
  • One link in the path between the radio base station 11 and the radio base station 12 is according to one aspect of the present disclosure, a link between the node 21 and the node 22 in the radio access transport network 20. Characteristics for the link between the node 21 and the node 22 in the radio access transport network 20 comprise, according to aspects of the present disclosure, bandwidth, radio access transport network delay, a congestion indication, jitter, buffer usage or synchronization accuracy.
  • one of the radio base stations 11, 12 is a master radio base station 11, 12 and the other radio base station 11, 12 is a slave radio base station 11, 12.
  • the master radio base station 11, 12 that decides which coordination features to use.
  • the master radio base station 11, 12 it is a responsibility of the master radio base station 11, 12 to request at least one characteristic for paths for both the master and slave radio base station 10, 11. Based on the obtained characteristics information, the master radio base station 10, 11 decides which coordination feature to use. If the network characteristics do not meet specific requirements, the master radio base station 10, 11 takes a decision not to use certain radio coordination features or any of the radio coordination features.
  • the radio base station 11, 12 is the master radio base station 11, 12 for a UE, User Equipment, (not shown) the radio base station 11, 12 also receives information from the UE that it can hear the slave radio base station 11, 12. Based on this information the master radio base station 11, 12 takes a radio coordination feature decision that it is beneficial for the UE to run one or more radio coordination features. But to be able to use and select a radio coordination feature, the master radio base station 11, 12 must also know the characteristics of the radio access transport network 10 for the path between radio base station 11 and 12..
  • the master radio base station 11, 12 receives an IP address of at least one IP end-point 11, 12, 31 associated with the radio access transport network 20 to which the radio base 11, 12 station is connected. According to one aspect of the present disclosure the radio base station 11, 12 receives an IP address of at least one IP end-point 11, 12, 31 associated with the radio access transport network 20 to which the radio base 11, 12 station is connected using ANR, Automatic Neighbor Relation.
  • the radio base station 11, 12 then sends a query to a node 21, 22, 23, 24, 25 in the radio access transport network 20 for at least one characteristic for a path between two IP end- points 11, 12, 31.
  • the radio base station 11, 12 sends a query for characteristic for a path between the master radio base station 11, 12 and slave radio base station 11, 12, as well as for a path between the master radio base station 11, 12 and PDN-GW 31 and a path between the slave radio base station 11, 12 and PDN-GW 31.
  • both the master radio base station 11, 12 and the slave radio base station 11, 12 send queries to at least one node 21, 22, 23, 24, 25 in the radio access transport network 20 for at least one characteristic for a path between two IP end-points 11, 12, 31.
  • the master radio base station 11, 12 sends a query to at least one node 21, 22, 23, 24, 25 in the radio access transport network 20 for at least one characteristics for a path between the master radio base station 11, 12 and the slave radio base station 11, 12 as well as for a path between the master radio base station 11, 12 and the PDN-GW-IP 31.
  • the master radio base station 11 then sends a query to the second radio base station 11, 12 for at least one characteristics for a path between the second radio base station 11, 12 and an IP end-point 11, 12, 31 associated with the radio access transport network 20; the characteristics collected by the second radio base station 11, 12.
  • the master radio base station 11 decides which radio coordination feature to use.
  • the master radio base station 11, 12 takes a decision not to use one or more radio coordination features or any of the radio coordination features.
  • the radio coordination feature it is mainly the radio base station 11, 12 to radio base station 11, 12 transport path characteristics that is of importance.
  • some radio coordination features requires high amount of bandwidth as well as very low delay in the radio access transport network 20.
  • Different radio coordination features also require different levels of synchronization; some work with frequency synchronization and others require time/phase synchronization between the radio base stations 11, 12 to work.
  • the master radio base station 11, 12 to the PDN-GW 31 if the capacity from the master radio base station 11, 12 to the PDN-GW 31 is limited, the advantage of using a radio coordination feature for the end-user might also be limited, If the capacity from the slave radio base station 11, 12 to the PDN-GW 31 is better, the master relationship can change to the other radio base station 11, 12 instead, but only if the master radio base station 11, 12 has the picture of characteristics for relevant IP end-points from the slave radio base station 11, 12 point of view as well.
  • the master radio base station 11, 12 when a radio coordination feature has been activated between two radio base stations 11, 12, the master radio base station 11, 12 also receives at least one update of characteristics for a path between two IP end-points 11, 12, 31 in the radio access transport network.
  • An advantage with this aspect is that the radio base station 11, 12 is able to adapt the radio coordination based on changes in the characteristics for a path between two IP end-points 11, 12, 31 associated with the radio access transport network 20.
  • the IP end-points 11, 12, 31 are the first radio base station 11, 12 and the second radio base station 11, 12 according to an aspect of the present disclosure.
  • the radio base station 11, 12 and the PDN-Gateway or a S/PDN-Gateway 31 in the core network 30 to which the radio access network (10) is connected are IP end-points 11, 12, 31.
  • the radio base station 11, 12 is the master radio base station 11, 12, the master radio base station also sends a query to the slave radio base station to retrieve the slave radio base station's 11, 12 perspective on the characteristics for a path between the two IP end-points 11, 12, 31.
  • the step S2 of sending a query further comprises sending a query to the second radio base station 11, 12 for at least one characteristic for a path between the second radio base station 11, 12 and an IP end-point 11, 12, 31 associated with the radio access transport network 20 collected by the second radio base station 11, 12.
  • characteristics for a path comprise bandwidth, radio access transport network delay, congestion indication, jitter, buffer usage and sync accuracy.
  • the step S2 of sending a query further comprises sending a query to at least one further node 23, 24, 25 in the radio access transport network 20 for at least one characteristic for a path between two IP end-points 11, 12, 31.
  • the radio base station 11, 12 first sends a query to the first node 21, 22, 23, 24, 25 in the radio access transport network 20 for at least one characteristics for a path between two IP end-points 11, 12.
  • the radio base station 11, 12 then sends a query to at least one further node 23, 24, 25 in the radio access transport network 20 for further characteristic information.
  • the step S2 of sending a query is performed by an l2RS-client, Interface to the Routing System, in the radio base station.
  • FIG. 2a is a flowchart schematically illustrating embodiments of method steps performed in a node 21, 22, 23, 24, 25 in the radio access transport network 10, of collecting characteristics for a path between two IP end-point 11, 12, 31 associated with the radio access transport network 20 to which the radio base station 11, 12 is connected.
  • a query from a radio base station 11, 12 connected to the radio access transport network 20 is received, for at least one characteristics for a path between two IP end-points 11, 12, 31 associated with the radio access transport network 20 to which the first radio base 11, 12 station is connected.
  • the IP end-points are for instance a radio base station 10, 11, a PDN-Gateway 31 or a S-PDN-Gateway 31 in the core network 30.
  • the at least one characteristics for the path between the two IP end-points 11, 12, 31 is determined.
  • the at least one characteristics for the path to the radio base station 11, 12 is transmitted.
  • step Sla, S2a, S3a are performed by an l2RS-agent, Interface to the Routing System, in the node 21, 22, 23, 24, 25.
  • the radio base station 11, 12 comprises a processor 110 and a memory 120, the memory 212 containing instructions executable by the processor 110.
  • the processor 110 is a Central Processing Unit, CPU, microcontroller, Digital Signal Processor, DSP, or any other suitable type of processor capable of executing computer program code.
  • the memory 212 is a Random Access Memory, RAM, a Read Only Memory, ROM, or a persistent storage, e.g. a single or combination of magnetic memory, optical memory, or solid state memory or even remotely mounted memory.
  • the disclosure further relates to the above mentioned computer program, comprising computer readable code which, when run on the radio base station 11, 12 causes the radio base station 11, 12 to perform any of the aspects of the method described above.
  • the above-mentioned computer program code is run in the processor 110 of the radio base station 11, 12 it causes the radio base station to receive an IP address of at least one IP end-point 11, 12, 31 associated with the radio access transport network 20 to which the radio base 11, 12 station is connected.
  • the computer program codes further causes the radio base station 11, 12 to send a query to a node 21, 22, 23, 24, 25 in the radio access transport network 20 for at least one characteristics for a path between two IP end-points 11, 12, 31 and to receive the at least one characteristics for the path.
  • the disclosure further relates to the above mentioned computer program, comprising computer readable code which, when run on the radio base station 11, 12, causes the radio base station 11, 12 to perform any of the aspects of the method described above.
  • the processor 110 comprises one or several of: a receiver module 1101 adapted to receive an IP address of at least one IP end-point 11, 12, 31 associated with the radio access transport network 20 to which the radio base 11, 12 station is connected; a query sending module 1102 adapted to send a query to a node 21, 22, 23, 24, 25 in the radio access transport network 20 for at least one characteristics for a path between two IP end-points 11, 12, 31, wherein the two IP end-points comprise the at least one IP end-point 11, 12, 31; and the receiver module 1101 being further configured to receive the at least one characteristics for the path.
  • the radio base station 11, 12 is further adapted to send a query to the node 21, 22, 23, 24, 25 in the radio access transport network 20 for at least one characteristics for a path between two IP end-points 11, 12, 31, wherein the IP end-points 21, 22, 31 are the first radio base station 11, 12 and the second radio base station 11, 12.
  • the radio base station 11, 12 comprises a query sending module 1102 configured for this purpose.
  • the radio base station 11, 12 is further adapted to send a query to the node 21, 22, 23, 24, 25 in the radio access transport network 20 for at least one characteristics for a path between two IP end-points 11, 12, 31, wherein, a first radio base station 11, 12 and a PDN-Gateway or a S/PDN-Gateway 31 in a core network 30 to which the radio access network 10 is connected are the IP end-points 11, 12, 31.
  • the radio base station 11, 12 comprises a query sending module 1102 configured for this purpose.
  • the radio base station 11, 12 is further adapted to send a query the node 21, 22, 23, 24, 25 in the radio access transport network 20 for at least one characteristics for a path between two IP end-points 11, 12, 31, wherein, the second radio base station 11, 12 and a PDN-Gateway or a S/PDN-Gateway 31 in a core network 30 to which the radio access network 10 is connected are the IP end-points 11, 12, 31.
  • the radio base station 11, 12 comprises a query sending module 1102 configured for this purpose.
  • the radio base station 11, 12 is further adapted to send a query the second radio base station 11, 12 for at least one characteristics for a path between the second radio base station 11, 12 and an IP end-point 11, 12, 31 associated with the radio access transport network 20 collected by the second radio base station 11, 12.
  • the radio base station 11, 12 comprises a query sending module 1102 configured for this purpose.
  • the radio base station 11, 12 is an eNodeB, Evolved Node B, in the E-UTRAN and the radio access network 10 is an E-UTRAN, Evolved UMTS Terrestrial Radio Access Network.
  • the characteristics for a path are comprises bandwidth, radio access transport network delay, congestion indication, jitter, buffer usage and synchronization accuracy.
  • the radio base station 11, 12 is further operative to send a query to at least one further node 23, 24, 25 in the radio access transport network 20.
  • the radio base station 11, 12 comprises a query sending module 1102 configured for this purpose.
  • the radio base station 11, 12 is further adapted to receive at least one update of characteristics for a path between two IP end-points 11, 12, 31 in the radio access transport network.
  • the radio base station 11, 12 comprises a query module 1102 configured for this purpose.
  • the radio base station 11, 12 is further operative to query with an l2RS-client, Interface to the Routing System, in the radio base station 10, 11.
  • the radio base station 11, 12 comprises a query sending module 1102 configured for this purpose.
  • the receiver 1101 and the query sending module 1102 are implemented in hardware or in software or in a combination thereof.
  • the modules 1101 and 1102 are according to one aspect implemented as a computer program stored in the memory 212 which run on the processing circuitry 120.
  • the radio base station 11, 12 is further configured to implement all the aspects of the disclosure as described in relation to the methods above.
  • FIG 4 a schematic diagram illustrating a node 21, 22, 23, 24, 25 of an exemplary embodiment for collecting characteristics for a path between two IP end-point 11, 12, 31 associated with a radio access transport network 20 to which the radio base station 11, 12 is connected comprising a processor 211 and a memory 212, the memory 212 containing instructions executable by the processor 211 whereby the node is operative to: receive a query from a radio base station 11, 12 connected to the radio access transport network 20, for at least one characteristics for a path between two IP end-points 11, 12, 31 associated with the radio access transport network 20 to which the first radio base 11, 12 station is connected; determine the at least one characteristics for the path between the two IP end-points 11, 12, 31 and transmit the at least one characteristics for the path to the radio base station 11, 12.
  • the processor 211 is a Central Processing Unit, CPU, microcontroller, Digital Signal Processor, DSP, or any other suitable type of processor capable of executing computer program code.
  • the memory 212 is a Random Access Memory, RAM, a Read Only Memory, ROM, or a persistent storage, e.g. a single or combination of magnetic memory, optical memory, or solid state memory or even remotely mounted memory.
  • the disclosure further relates to the above mentioned computer program, comprising computer readable code which, when run on the node 21, 22, 23, 24, 25 causes the node 21, 22, 23, 24, 25 to perform any of the aspects of the method described above.
  • the above-mentioned computer program code is run in the processor 211 of the node 21, 22, 23, 24, 25 it causes the node 21, 22, 23, 24, 25 to receive a query from the radio base station 11, 12 connected to the radio access transport network 20, for at least one characteristics for a path between two IP end-points 11, 12, 31 associated with the radio access transport network 20 to which the first radio base 11, 12 station is connected; determine the at least one characteristics for the path between the two IP end-points 11, 12, 31; and transmit the at least one characteristics for the path to the radio base station 11, 12.
  • the disclosure further relates to the above mentioned computer program, comprising computer readable code which, when run on the node 21, 22, 23, 24, 25 causes the node 21, 22, 23, 24, 25 to perform any of the aspects of the method described above.
  • the processor 211 comprises one or several of: a receiver module 2111 adapted to receive a query from a radio base station 11, 12 connected to the radio access transport network 20, for at least one characteristics for a path between two IP end-points 11, 12, 31 associated with the radio access transport network 20 to which the first radio base 11, 12 station is connected. a determining module 2112 adapted to determine the at least one characteristics for the path between the two IP end-points 11, 12, 31, wherein the two IP end-points (11, 12, 31) comprise the at least one of the IP end-points (11, 12, 31); - a transmitter module 2113 being further configured to transmit the at least one characteristics for the path to the radio base station 11, 12
  • the node 21, 22, 23, 24, 25 is further adapted to receive a query for and determine at least one characteristics for a path between two IP end-points 11, 12, 31, wherein the IP end-points 21, 22, 31 are the first radio base station 11, 12 and a second radio base station 11, 12.
  • the node 21, 22, 23, 24, 25 comprises a receiver module 2112, a determining module 2112 and a transmitter module 2113 configured for this purpose.
  • the node 21, 22, 23, 24, 25 is further adapted to receive a query for and determine at least one characteristic for a path between two IP end-points 11, 12, 31, by running an l2RS-agent, Interface to the Routing System, agent.
  • the node 21, 22, 23, 24, 25 comprises a receiver module 2112, a determining module 2112 and a transmitter module 2113 configured for this purpose.
  • the receiver module 2111, the determining module 2112 and the transmitter module 2113 are implemented in hardware or in software or in a combination thereof.
  • the modules 2111, 2112 and 2113 are according to one aspect implemented as a computer program stored in the memory 212 which run on the processing circuitry 211.
  • the node 21, 22, 23, 24, 25 is further configured to implement all the aspects of the disclosure as described in relation to the methods above.
  • the functions or steps noted in the blocks can occur out of the order noted in the operational illustrations.
  • two blocks shown in succession can in fact be executed substantially concurrently or the blocks can sometimes be executed in the reverse order, depending upon the functionality/acts involved.
  • the functions or steps noted in the blocks can according to some aspects of the disclosure be executed continuously in a loop.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Environmental & Geological Engineering (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)

Abstract

La présente invention concerne un procédé réalisé dans une station de base radio dans un réseau d'accès radio, de collecte de caractéristiques pour un chemin entre deux points d'extrémité IP associés à un réseau de transport d'accès radio auquel la station de base radio est connectée, le procédé comprenant les étapes consistant : à recevoir une adresse IP d'au moins un point d'extrémité IP associé au réseau de transport d'accès radio auquel la station de base radio est connectée ; à envoyer une interrogation à un noeud, dans le réseau de transport d'accès radio, pour au moins une caractéristique pour un chemin entre deux points d'extrémité IP, et à recevoir la ou les caractéristiques pour le chemin.
PCT/SE2014/050239 2014-02-27 2014-02-27 Collecte de caractéristiques pour un chemin entre des points d'extrémité ip associés à un réseau de transport d'accès radio WO2015130202A1 (fr)

Priority Applications (7)

Application Number Priority Date Filing Date Title
CN201480075507.1A CN106031220B (zh) 2014-02-27 2014-02-27 收集与无线电接入传输网相关联的ip端点之间的路径的特性
EP14713943.0A EP3111696B1 (fr) 2014-02-27 2014-02-27 Collecte de caractéristiques pour un chemin entre des points d'extrémité ip associés à un réseau de transport d'accès radio
JP2016554357A JP6258519B2 (ja) 2014-02-27 2014-02-27 無線アクセストランスポートネットワークに関連付けられたｉｐエンドポイント間のパスの特性の収集
US15/109,185 US10194342B2 (en) 2014-02-27 2014-02-27 Collecting characteristics for a path between IP end-points associated with a radio access transport network
BR112016016099-1A BR112016016099B1 (pt) 2014-02-27 2014-02-27 Estação rádio base para coletar características para um percurso entre dois pontos de terminação ip e método relacionado
PCT/SE2014/050239 WO2015130202A1 (fr) 2014-02-27 2014-02-27 Collecte de caractéristiques pour un chemin entre des points d'extrémité ip associés à un réseau de transport d'accès radio
US16/196,521 US10924948B2 (en) 2014-02-27 2018-11-20 Collecting characteristics for a path between IP end-points associated with a radio access transport network

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/SE2014/050239 WO2015130202A1 (fr) 2014-02-27 2014-02-27 Collecte de caractéristiques pour un chemin entre des points d'extrémité ip associés à un réseau de transport d'accès radio

Related Child Applications (2)

Application Number Title Priority Date Filing Date
US15/109,185 A-371-Of-International US10194342B2 (en) 2014-02-27 2014-02-27 Collecting characteristics for a path between IP end-points associated with a radio access transport network
US16/196,521 Continuation US10924948B2 (en) 2014-02-27 2018-11-20 Collecting characteristics for a path between IP end-points associated with a radio access transport network

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WO2015130202A1 true WO2015130202A1 (fr) 2015-09-03

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US (2) US10194342B2 (fr)
EP (1) EP3111696B1 (fr)
JP (1) JP6258519B2 (fr)
CN (1) CN106031220B (fr)
BR (1) BR112016016099B1 (fr)
WO (1) WO2015130202A1 (fr)

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BR112016016099A2 (fr) 2017-08-08
US10924948B2 (en) 2021-02-16
BR112016016099B1 (pt) 2023-01-10
US20160330637A1 (en) 2016-11-10
JP2017512429A (ja) 2017-05-18
CN106031220A (zh) 2016-10-12
CN106031220B (zh) 2019-11-08
EP3111696B1 (fr) 2020-02-12
JP6258519B2 (ja) 2018-01-10
US10194342B2 (en) 2019-01-29
EP3111696A1 (fr) 2017-01-04
US20190090148A1 (en) 2019-03-21

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